[mythtv-users] Getting lirc working

Jon jon at sd-6.org
Sat Mar 17 03:49:09 UTC 2007



Angus wrote:
> Jon wrote:
>> Angus wrote:
>>   
>>> Jon wrote:
>>>     
>>>> It sounds like your remote does not repeat keypresses.  Does it have a
>>>> LED?  If so, does it continue flashing as you hold the button down?  If
>>>> not you can use a digital camera pointed at the ir transmitter to confirm.
>>>>   
>>>>       
>>>     Digital camera, eh?
>>>     
>> Digital cameras are sensitive to IR light.
>>   
>>>     Well, as an addendum, after pushing several keys for a while out of 
>>> frustration, it finally registered a "gap". So I went through the 
>>> process of testing every key, and you can imagine my frustration when I 
>>> finished and found every key was coded as 0x0. Here's the less 
>>> vacuous-looking part of the config file:
>>> bits            0
>>>  eps            30
>>>  aeps          100
>>>
>>>  one             0     0
>>>  zero            0     0
>>>  pre_data_bits   32
>>>  pre_data       0x800100A7
>>>  gap          339993
>>>  toggle_bit      0
>>>
>>> Now what do I try?
>>>     
>> Have you read http://www.linuxtv.org/v4lwiki/index.php/Remote_controllers
>>   
> 
>     Yes, I have.
> 
>> Specifically,
>> saa7134: Most cards need only the saa7134 driver, but a few need the
>> ir-kbd-i2c helper. Boards known to require ir-kbd-i2c include the Upmost
>> Purple TV and the latest "i-series" Pinnacle PCTV boards (110i, 50i)
>>   
> 
>     And I've been asking what that means over at v4l, but I haven't 
> gotten any response.

It means you may need to modprobe ir-kdc-i2c before it will work.  You
might see if you can use the linux input interface instead of lirc.
Open xev and press a few buttons on the remote to see if they register.

> 
>> Otherwise, you might try the linuxtv mailing list.
>>   
> 
>     I might as well try there now.
> 
>>>> Angus wrote:
>>>>   
>>>>       
>>>>> I'm trying to use the remote through lirc, but help and documentation is 
>>>>> scarce. I have a KWorld Global Terminator TV card (saa7134-based) with a 
>>>>> built-in IR. The cat /proc/bus/input/devices for which gives:
>>>>> I: Bus=0001 Vendor=1131 Product=0000 Version=0001
>>>>> N: Name="saa7134 IR (V-Stream Studio TV "
>>>>> P: Phys=pci-0000:01:07.0/ir0
>>>>> S: Sysfs=/class/input/input2
>>>>> H: Handlers=kbd event2
>>>>> B: EV=100003
>>>>> B: KEY=2c0814 100004 0 0 0 4 2008000 2090 2001 1e0000 4400 0 ffc
>>>>> FWIW. I've been trying irrecord -H dev/input -d /dev/input/event2 
>>>>> lirc.conf but when I follow the instructions to hold down a key, I see a 
>>>>> period, then eventually: irrecord: gap not found, can't continue. I've 
>>>>> also tried pushing several buttons. As long as I keep doing that I get 
>>>>> more periods, but if I stop, it quits and complains about an absent gap. 
>>>>> What do I do?
>>>>>
>>>>> _______________________________________________
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>>>>>     
>>>>>         
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>>>>   
>>>>       
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>>>     
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>>   
> 
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